Date: Tue, 17 Jan 2012 23:10:32 +0200 From: Alexander Motin <mav@FreeBSD.org> To: Alexander Pyhalov <alp@rsu.ru> Cc: freebsd-stable@freebsd.org Subject: Re: FreeBSD 9.0 and Intel MatrixRAID RAID5 Message-ID: <4F15E3C8.9080702@FreeBSD.org> In-Reply-To: <mailpost.1326798740.6582664.28401.mailing.freebsd.stable@FreeBSD.cs.nctu.edu.tw> References: <mailpost.1326798740.6582664.28401.mailing.freebsd.stable@FreeBSD.cs.nctu.edu.tw>
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On 17.01.2012 12:53, Alexander Pyhalov wrote: > On my desktop I use Intel MatrixRAID RAID5 soft raid controller. RAID5 > is configured over 3 disks. FreeBSD 8.2 sees this as: > > ar0: 953874MB <Intel MatrixRAID RAID5 (stripe 64 KB)> status: READY > ar0: disk0 READY using ad4 at ata2-master > ar0: disk1 READY using ad6 at ata3-master > ar0: disk2 READY using ad12 at ata6-master > > Root filesystem is on /dev/ar0s1. > Today I've tried to upgrade to 9.0. > It doesn't see this disk array. Here is dmesg. When I load geom_raid, it > finds something, but doesn't want to work with RAID: > > GEOM_RAID: Intel-e922b201: Array Intel-e922b201 created. > GEOM_RAID: Intel-e922b201: No transformation module found for Volume0. > GEOM_RAID: Intel-e922b201: Volume Volume0 state changed from STARTING to > UNSUPPORTED. > GEOM_RAID: Intel-e922b201: Disk ada2 state changed from NONE to ACTIVE. > GEOM_RAID: Intel-e922b201: Subdisk Volume0:2-ada2 state changed from > NONE to ACTIVE. > GEOM_RAID: Intel-e922b201: Disk ada1 state changed from NONE to ACTIVE. > GEOM_RAID: Intel-e922b201: Subdisk Volume0:1-ada1 state changed from > NONE to ACTIVE. > GEOM_RAID: Intel-e922b201: Disk ada0 state changed from NONE to ACTIVE. > GEOM_RAID: Intel-e922b201: Subdisk Volume0:0-ada0 state changed from > NONE to ACTIVE. > GEOM_RAID: Intel-e922b201: Array started. > > No new devices appear in /dev. > How could I solve this issue? ataraid(4) had mostly read-only support for RAID5 because it doesn't update parity data. I haven't thought anybody really using it in such condition. That's why geom_raid doesn't support RAID5 now at all. -- Alexander Motin
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